Large capacity hybrid (with or without bags) central vacuum power unit, perfect for large households, covers up to 9000 square feet. Powerful 700 airwatts 2-stage motor with soft-start, soft-stop technology (motor lasts 20% longer) with 32L/9.25 Gal canister. quiet: as noisy as an regular air conditioner. The cyclonic filration combined with the permanent machine washable filter purifies the vacuumed air up to 99.97%. the triple layer filtration bag permits to conveniently dispose of the waste in the dirt receptacle without harmful airborne dust.